S.A.H Engineering Ltd

Phone: 01582 584220

Email: enquiries@sahengineeringltd.co.uk

Scope – Structural alterations

Location – Regent Street, London, W1

Value – £1.1 million


Major structural alterations to facilitate removal of main supporting columns. Installation of fabricated plate girder transfer beams on to new columns. Strengthening of structure by site welding strengthening plates to existing steelwork.

Scope – Redevelopment

Location – Paddington, London, W2

Value – £900,000


New floor slab steelwork to each level of 18-storey building to facilitate glass façade. New roof steelwork to incorporate BMU support & walkways. New stair core support structure including 62-metre CHS support column.

Scope – Structural Redevelopment

Location – Quadrant 4, Piccadilly, London, W1

Value –  £1.3 million


To strengthen existing steelwork by plating and site welding in association with phased demolition to facilitate new load of additional 2no floors. Due to high carbon content in existing steel all site welds had to be preheated as bespoke welding procedure.


Scope – New internal steel frame for structural alteration design

Location – Piccadilly Circus, London, W1

Value – £700,000


Manually install 20-metre high columns through existing floor levels for new 2nd floor steelwork to support the load of the existing building structure above. After demolition, phased installation of new steelwork connected to previously installed columns to allow forming of new floor levels.

Scope – Structural alterations

Location – Dallington Street, London, EC1

Value – £380,000


New structural support steelwork to form 2no new floor levels supported from existing building. Works included trimming for new risers, infilling existing and transfer beams after removal of concrete shear wall.

Regent Street

Eastbourne Terrace

Quadrant 4

Piccadilly Circus

Dallington Street

Permanent Steelwork

Permanent Steelwork Secondary Steelwork Temporary Steelwork

Hammersley House

Scope – Structural Alterations

Location – Hammersley House, Warwick Street, London, W1B

Value – £150,000


Approximately 30 tonnes of structural steelwork to form a complete new roof structure. The package included site welded stiffeners to the facade and cutting new service holes in existing beams.



Scope – Structural Alterations

Location – Aldgate, London, EC3

Value – £500,000


Series of fabricated plate girders and trimming steelworks to the 12th, 13th, 14th & 15th floors of existing building to accomodate a new feature staircase. Girders were 17m long but had to be spliced in 3m sections to allow to be lifted from ground floor to erection point in a goods lift!


Devonshire Row - Ongoing works

Scope – Structural Alterations & New Build Package

Location – Devonshire Row, 150 Bishopsgate, London, EC2

Value – £1.2 million


Structural alterations package along Devonshire Row, encompassing 3 existing buildings. New slab steelwork to each level with 2 lift shafts and roof staircase. 2 new staircases spanning 5 & 6 floors respectively and a 90 tonne new frame



Scope – Structural Alterations

Location – Oxford Circus, W1B

Value – £900,000


Project George was a logistically challenging structural alterations project for a new flagship retail store at the heart of Oxford Circus. 3 new 14m plate girder frames ran from ground to second floors, with infill and lift shaft steelwork spanning between frames, forming 3 new floor levels.

Project George

Kings Cross

Scope – Enabling Works

Location – Kings Cross, London, N1C

Value – £600,000


A number of different enabling works at a large re-development in central Kings Cross for follow on trades, including 4 plate girders weighing upwards of 20 tonnes, circular column captures and the formation of a new lift and escalator pit. All works and deliveries carried out at night.